Fabrication of Complex Micro Channel Systems Inside Optically-Transparent 3D Substrates by Laser Processing

Qin, Shuijie; Li, Wen J.; Mei, Tao

doi:10.1007/978-3-642-59497-7_377

Cited by 5 publications

(2 citation statements)

References 1 publication

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“…2 shows that the channel width ranges from 35 m to 350 nm. Qin and Li [33] have shown a novel technique in creating microchannels/nanochannels using a Nd:YAG laser in a dry process.…”

Section: Case Studies and Discussionmentioning

confidence: 99%

Analytical Modeling of Fluid Flow and Heat Transfer in Microchannel/Nanochannel Heat Sinks

Khan

Yovanovich

2008

Journal of Thermophysics and Heat Transfer

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Laminar forced convection in two-dimensional rectangular microchannels and nanochannels under hydrodynamically and thermally fully developed conditions is investigated analytically in the slip-flow regime. Closed-form solutions for fluid friction and Nusselt numbers are obtained by solving the continuum momentum and energy equations with the first-order velocity slip and temperature jump boundary conditions at the channel walls. An isoflux thermal boundary condition is applied on the heat sink base. The results of the present analysis are presented in terms of the channel aspect ratio, hydraulic diameter, momentum and thermal accommodation coefficients, Knudsen number, slip velocity, Reynolds number, and Prandtl number. It is found that fluid friction decreases and heat transfer increases compared with no-slip flow conditions, depending on the aspect ratios and Knudsen numbers that include the effects of the channel size or rarefaction and the fluid/wall interaction.

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“…2 shows that the channel width ranges from 35 m to 350 nm. Qin and Li [33] have shown a novel technique in creating microchannels/nanochannels using a Nd:YAG laser in a dry process.…”

Section: Case Studies and Discussionmentioning

confidence: 99%

Analytical Modeling of Fluid Flow and Heat Transfer in Microchannel/Nanochannel Heat Sinks

Khan

Yovanovich

2008

Journal of Thermophysics and Heat Transfer

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“…2 shows that the channel width ranges from 35 µm to 350 nm. Qin and Li [34] have shown a novel technique in creating micro/nano-channels using a Nd:YAG laser in a dry process.…”

Section: Case Studies and Discussionmentioning

confidence: 99%

Analytical Modeling of Fluid Flow and Heat Transfer in Micro/Nano-Channel Heat Sinks

Khan

Yovanovich

2007

ASME 2007 InterPACK Conference, Volume 1

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Laminar forced convection in two-dimensional rectangular micro and nano-channels under hydrodynamically and thermally fully developed conditions is investigated analytically in the slip flow regime (0.001 < Kn < 0.1). Closed form solutions for fluid friction and Nusselt numbers are obtained by solving the continuum momentum and energy equations with the first-order velocity slip and temperature jump boundary conditions at the channel walls. Isoflux thermal boundary condition is applied on the heat sink base. Results of the present analysis are presented in terms of channel aspect ratio, hydraulic diameter, momentum and thermal accommodation coefficients, Knudsen number, slip velocity, Reynolds number and Prandtl number. It is found that fluid friction decreases and heat transfer increases, compared to no-slip flow conditions, depending on aspect ratios and Knudsen numbers that include effects of the channel size or rarefaction and the fluid/wall interaction.

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Analysis of nano channel formation in quartz cubes by laser-induced process

秦水介

李文荣

2004

Acta Mech Sin

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A novel laser processing technique was developed for making channels in the nano regime in this paper. A Nd:YAG laser was used to dry fabricate micro channels (25#m~100pm diameter) in a i cm 3 fused silica substrate by thermal-induced processing. By controlling the locations of these initiating micro channels on a silica cube, 1D-controllable self-connecting nano fractures can be formed as rectangular channels. These nano channels are smooth and with extremely high aspect ratio (N10 4 depth to width ratio). A possible mechanism is proposed to explain the formation of the nano channels. This laser-based nano channel fabrication technique is fast and inexpensive, and with potential applications in capillary electrophoresis and electro-osmosis driven nano-filtration.

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Fabrication of Complex Micro Channel Systems Inside Optically-Transparent 3D Substrates by Laser Processing

Cited by 5 publications

References 1 publication

Analytical Modeling of Fluid Flow and Heat Transfer in Microchannel/Nanochannel Heat Sinks

Analytical Modeling of Fluid Flow and Heat Transfer in Microchannel/Nanochannel Heat Sinks

Analytical Modeling of Fluid Flow and Heat Transfer in Micro/Nano-Channel Heat Sinks

Analysis of nano channel formation in quartz cubes by laser-induced process

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